Meaning of RAD in English

RAD

n.

Pronunciation: ' rad

Function: noun

Etymology: r adiation a bsorbed d ose

Date: circa 1953

: a unit of absorbed dose of ionizing radiation equal to an energy of 100 ergs per gram of irradiated material

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.